[Getdp] 1 - GetDP for dummies beginners (not necessarily equating dummies and beginners :-)

[Mikail Ansari]

HeyI was trying to figure out what GetDP, kind of, does and how it works. I developed a summarized/simplified version, of what I have manged to figure out in very simple language.  Going from a high level summarized view to some understanding of the detailed modules.   I based this on the manual, and forums and the archives.  
Could you check if what I am saying below is along the right lines, appropriate simplification? or completely wrong? Particularly in the details section.(I thought something like this may be useful to other beginners as well)

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General Intro>Scientists, Engineers and other folks use Maths and Equations, to show patterns in the universe around them.>Something that depends a lot on these patterns (and maths and equations) are simulations (like computer simulations of the universe). >Often simulations and simulation programs are "hard coded", having the maths and equations for specific problems built-in.  So you get a variety of simulation programs for different types of problems.  For example, in Electromagnetics, you might get one software simulation program/software for Antennas, and another one for Motors and another one for other stuff.
Here is where GetDP comes in (drumroll, read epic, awesomeness earth-shattering discovery amazingness):
>GetDP, turns the maths into software programming tools.>Why this is amazing is because it allows you to create custom simulations and physics for whatever problem/patterns in the universe that you mange to find and are interested in?>This gives quite a bit of flexibility, customization, meaning you could model for example, the mechanical, the thermal and the electromagnetics, all in one
Some DetailsHow it works? (Magic)>It takes in a geometry (similar to a cad geometry, vertices, lines, blocks)And then a number of software modules apply a variety of tasks to get to a results.
There is an overview of how the code modules fit together.  Here is a general explanation of how the modules work.  By putting together the maths and equations to get meaningful simulations/results out.
Input: Cad geometry>Group: Groups specific geometry elements (lines, blocks) into parts (like coils, and iron parts in a motor)>Function: Define expressions and calculations that will be built (like permeability of air and iron etc.).>Constraint: Defines Boundaries of what portion of the geometry to evaluate (boundary conditions)>~FunctionSpace: Defines the main areas and components of where the equations will operate.>Formulation: Build Equations>~Jacobian: Transforming Geometry (matrix operation on vertex co-ordinates) to make it easier to solve
>Integration: Defining mesh integration points, like how sharp you break the problem geometry down means you have a much sharper results when you put it back together.>~Resolution: Defines sequence of operations for solving the problem
(Solve:  After specifying all the above, the problem is solved by the computer)
>Postprocessing: Get the results that were solved.>Post operations: Output -> Show the results in a meaningful way, like graphs and charts and maps etc.Output, see how the specific problem behaves.
Kind Regards 
Mikail M. A. AnsariMsc, BSc (Electrical Engineering)Mobile: +27 (0)76 224 8084
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